Base | Representation |
---|---|
bin | 11001011011101… |
… | …01010000011100 |
3 | 112212102212010101 |
4 | 30231311100130 |
5 | 414103404322 |
6 | 33100350444 |
7 | 5200241020 |
oct | 1455652034 |
9 | 485385111 |
10 | 213341212 |
11 | aa475457 |
12 | 5b545424 |
13 | 35278906 |
14 | 20496380 |
15 | 13ae2327 |
hex | cb7541c |
213341212 has 12 divisors (see below), whose sum is σ = 426682480. Its totient is φ = 91431936.
The previous prime is 213341203. The next prime is 213341213. The reversal of 213341212 is 212143312.
It is a happy number.
213341212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
213341212 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 213341212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213341213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809637 + ... + 3809692.
Almost surely, 2213341212 is an apocalyptic number.
It is an amenable number.
213341212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213341212 is a wasteful number, since it uses less digits than its factorization.
213341212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7619340 (or 7619338 counting only the distinct ones).
The product of its digits is 288, while the sum is 19.
The square root of 213341212 is about 14606.2045720303. The cubic root of 213341212 is about 597.5279885117.
Adding to 213341212 its reverse (212143312), we get a palindrome (425484524).
The spelling of 213341212 in words is "two hundred thirteen million, three hundred forty-one thousand, two hundred twelve".
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